Finding the Fourth Proportional to 3,782,050.68, 5,643,577.95 and 3,374,440.68
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Solution
The fourth proportional to 3,782,050.68, 5,643,577.95 and 3,374,440.68 is: 5,035,342.10
Step by Step Solution
- Step 1: Write the proportion equation
3,782,050.68 : 5,643,577.95 = 3,374,440.68 : x - Step 2: Convert to fraction form
3,782,050.68/5,643,577.95 = 3,374,440.68/x - Step 3: Cross multiply
3,782,050.68x = 5,643,577.95 × 3,374,440.68 - Step 4: Simplify right side
3,782,050.68x = 19,043,919,015,231.01 - Step 5: Solve for x
x = 19,043,919,015,231.01/3,782,050.68 - Step 6: Final answer
x = 5,035,342.10
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.